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UFC heavyweight contender Mark Hunt is facing one of his biggest fights since joining the UFC. The only problem is, he’s not fighting in the Octagon. He’s doing so in the courts. Hunt is coming off a controversial loss to Brock Lesnar at UFC 200, in which Lesnar failed two drug tests, both before and after the bout.

Related: Will Brock Lesnar ever return to the UFC

According to Fox Sports, Hunt filed a civil suit this past Tuesday in the U.S. District Court for Nevada, with several complaints alleging racketeering, fraud, breach of contract and more; Hunt is seeking compensatory damages, declaratory relief, punitive damages, statutory treble damages and attorneys fees.

Lesnar was fined $250,000 of his $2.5 million in earnings from the fight, and the outcome was changed to a no decision. But, Hunt feels that UFC president Dana White could have prevented it all, but didn’t because the fight happened right before the company was sold for $4 billion.

Hunt’s lawsuit claims that the UFC “affirmatively circumvented and obstructed competition for their own benefit, including being complicit in doping proliferation under the guise of advancing ‘the best anti-doping program in professional sports.”

It goes on to say that “defendants have accomplished this by means including but not limited to various and rampant purported use exemptions, drug testing exemptions and by failure to enforce its own policies” and that the UFC “conspired and caused Lesnar, a doping fighter, to fight Hunt, a clean fighter, despite the fact that Lesnar used substances banned by the UFC, USADA (United States Anti-Doping Agency) and WADA (World Anti-Doping Agency)”.

With some of the biggest names in the sport failing drug tests, on multiple occasions, such as Jon Jones and Lesnar, it makes the organization look like they’ve lost control. Hopefully they get it figured out soon, and hopefully Hunt’s lawsuit sheds a little more light on the issue.